CN112908250B - Image display method and device of display panel - Google Patents
Image display method and device of display panel Download PDFInfo
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- CN112908250B CN112908250B CN201911133467.2A CN201911133467A CN112908250B CN 112908250 B CN112908250 B CN 112908250B CN 201911133467 A CN201911133467 A CN 201911133467A CN 112908250 B CN112908250 B CN 112908250B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
Abstract
The invention discloses an image display method and a display device of a display panel, wherein when the display panel displays images, the current display image in a display interface is moved to a set direction every other preset time interval; the phenomenon that the same image is displayed at the same position for a long time can be changed in the moving process, so that the phenomenon that the pixel units of the display panel keep the same image signal for a long time is avoided, the generation of the afterimage phenomenon of the display panel can be delayed, and the image afterimage generated in the switching process of the display image is relieved. After image movement is carried out each time, image extension is carried out on the vacant areas according to the display content of the current display image edge, so that the extended display image can fill the whole display interface, black edges are eliminated, and the display effect is optimized.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to an image display method and a display device for a display panel.
Background
With the continuous development of display technology, display screens become an indispensable important role in human-computer interaction. Organic Light Emitting Diode (OLED) display screens have become mainstream display devices due to their advantages of lightness, thinness, sensitivity, wide viewing angle, high contrast, and the like.
The OLED uses an organic light emitting material as a light emitting material, and generates a phenomenon of emitting light by injection and recombination of carriers, and the light emitting intensity is proportional to the injected current. Due to the material property of the organic light-emitting material, the longer the display time is, the faster the luminance is attenuated, and then the phenomenon of afterimage can be generated when the OLED display screen is switched to other display images after the same display image is kept displayed for a long time.
Disclosure of Invention
The invention provides an image display method and a display device of a display panel, which are used for delaying the occurrence of afterimages on the display device.
In a first aspect, the present invention provides an image display method of a display panel, including:
when the display panel displays images, moving the current display image in the display interface to a set direction at intervals of a preset time interval;
according to the display content of the edge of the current display image, performing image extension on a vacant area generated after the image of the display interface is moved so as to enable the extended display image to fill the display interface;
the vacant area is an edge area without data signals generated on the side opposite to the set direction in the display interface after the image is moved.
In a possible implementation manner, in the image display method provided by the present invention, the display panel includes pixel units arranged in an array; the pixel unit corresponding to the display image is a first pixel unit, and the pixel unit in the vacancy area is a second pixel unit;
the image extension of the vacant area generated after the image movement of the display interface according to the display content of the edge of the current display image comprises the following steps:
after image shifting is carried out every time, setting the data signal of the second pixel unit to be the same as the data signal of the first pixel unit adjacent to the second pixel unit according to the display content of the edge of the current display image;
the first pixel unit adjacent to the second pixel unit is the first pixel unit adjacent to the second pixel unit in the row direction, the column direction or the diagonal direction.
In a possible implementation manner, in the image display method provided by the present invention, the display panel includes pixel units arranged in an array; the pixel unit corresponding to the display image is a first pixel unit, and the pixel unit in the vacancy area is a second pixel unit;
the image extension of the vacant area generated after the image movement of the display interface according to the display content of the edge of the current display image comprises the following steps:
after image shifting is carried out each time, according to the display content of the edge of the current display image, respectively determining the continuous quantity of first pixel units, with the same data signals, of the second pixel units in the row direction, the column direction and the diagonal direction of the pixel units, and taking the first pixel units with the largest continuous quantity as reference pixel units;
setting the data signal of the second pixel cell to be the same as the data signal of the reference pixel cell.
In a possible implementation manner, in the image display method provided by the invention, the preset time period is 1 to 3 minutes.
In one possible implementation manner, in the image display method provided by the invention,
the setting direction is parallel to the pixel unit row direction; alternatively, the first and second electrodes may be,
the setting direction is parallel to the pixel unit column direction; alternatively, the first and second electrodes may be,
the set direction is parallel to a diagonal direction of the pixel unit.
In a possible implementation manner, in the image display method provided by the present invention, the display image periodically moves according to a set route.
In a possible implementation manner, in the above image display method provided by the present invention, the step length of each movement of the display image is one pixel unit.
In a second aspect, the present invention provides a display device comprising: the display device comprises a display panel and a main board connected with the display panel;
the main board is used for moving the current display image in the display interface to a set direction every other preset time interval when the display panel displays the image; according to the display content of the edge of the current display image, performing image extension on a vacant area generated after the image of the display interface is moved so as to enable the extended display image to fill the display interface;
the vacant area is an edge area without data signals generated on the side opposite to the set direction in the display interface after the image is moved.
In a possible implementation manner, in the display device provided by the present invention, the display panel includes pixel units arranged in an array; the pixel unit corresponding to the display image is a first pixel unit, and the pixel unit in the vacancy area is a second pixel unit;
the main board is used for setting the data signal of the second pixel unit to be the same as the data signal of the first pixel unit adjacent to the second pixel unit according to the display content of the edge of the current display image after the image is moved every time;
the first pixel unit adjacent to the second pixel unit is the first pixel unit adjacent to the second pixel unit in the row direction, the column direction or the diagonal direction.
In a possible implementation manner, in the display device provided by the present invention, the display panel includes pixel units arranged in an array; the pixel unit corresponding to the display image is a first pixel unit, and the pixel unit in the vacancy area is a second pixel unit;
the main board is used for respectively determining the continuous number of first pixel units, adjacent to the second pixel units in the row direction, the column direction and the diagonal direction, with the same data signals according to the display content of the edge of the current display image after the image is moved every time, and taking the first pixel unit with the largest continuous number as a reference pixel unit; setting the data signal of the second pixel cell to be the same as the data signal of the reference pixel cell.
The invention has the following beneficial effects:
according to the image display method and the display device of the display panel, when the display panel displays images, the current display image in the display interface is moved to the set direction every other preset time interval; according to the display content of the edge of the current display image, performing image extension on a vacant area generated after the image of the display interface is moved so as to enable the display interface to be filled with the extended display image; the vacant area is an edge area without data signals generated on the side opposite to the set direction in the display interface after the image is moved. The current display image is moved towards the set direction every preset time interval, the same image phenomenon can be changed at the same position in the moving process, the phenomenon that the same image is displayed for a long time is avoided, the pixel units of the display panel keep the same image signal for a long time, the generation of the afterimage phenomenon of the display panel can be delayed, and the image afterimage generated in the switching process of the display image is relieved. After image movement is carried out each time, image extension is carried out on the vacant areas according to the display content of the current display image edge, so that the extended display image can fill the whole display interface, black edges are eliminated, and the display effect is optimized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flowchart illustrating an image display method of a display panel according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating an effect of displaying an original image according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating an effect of a display image after one movement according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating an effect of a display image after two movements according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a display image before being moved according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a display image after a shift according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a display image after two movements according to an embodiment of the present invention;
FIG. 9 is a second schematic diagram of a display image before being moved according to an embodiment of the present invention;
FIG. 10 is a second schematic diagram of the display image after one movement according to the embodiment of the present invention;
FIG. 11 is a second schematic diagram of the display image after the second movement according to the embodiment of the present invention;
fig. 12 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The display panel and the display device according to the embodiments of the present invention may be an OLED display panel or a plasma display panel, and due to the limitation of the display principle of the display panel, the pixel brightness of the display panel is more rapidly attenuated as the display time increases, so that after the same image is maintained for a long time, an afterimage is generated when the image is switched.
An embodiment of the present invention provides an image display method of a display panel, and fig. 1 is a flowchart of the image display method of the display panel provided in the embodiment of the present invention, and as shown in fig. 1, the image display method may include:
s10, when the display panel displays images, moving the current display image in the display interface to a set direction every preset time interval;
s20, according to the display content of the edge of the current display image, performing image extension on the vacant area generated after the image movement of the display interface so as to enable the extended display image to fill the display interface;
the vacant area is an edge area without data signals generated on the side opposite to the set direction in the display interface after the image is moved.
According to the image display method provided by the embodiment of the invention, the current display image is moved towards the set direction at intervals of the preset time period, and the phenomenon that the same image is displayed at the same position for a long time can be changed in the moving process, so that the phenomenon that the same image signal is kept by the pixel unit of the display panel for a long time is avoided, the generation of the afterimage phenomenon of the display panel can be delayed, and the image afterimage generated in the switching process of the display image is relieved.
Fig. 2-4 are schematic diagrams illustrating the effect of displaying image movement according to the embodiment of the present invention. As shown in fig. 2, after a preset time interval, the display image may move to the set direction, the display interface after the movement is as shown in fig. 3, and after the preset time interval, the display image may continue to move to the set direction, and the display interface after the second movement is as shown in fig. 4. Although moving the display image every preset time interval can effectively alleviate the occurrence of image sticking, after the display image is moved, as shown in fig. 3 and 4, a black edge may be generated at the boundary of the display interface after the image is moved, which may affect the viewing effect.
In view of this, in the image display method provided in the embodiment of the present invention, after the image is moved, the image extension is performed on the vacant area generated after the image is moved by the display panel according to the display content of the edge of the current display image, so that the display interface is filled with the extended display image. The blank region in the embodiment of the present invention is an edge region where no data signal is generated on the opposite side of the setting direction in the display panel after the image shift is performed. As shown in fig. 2-4, after the display image moves to the upper right, black edges are generated at the opposite side of the upper right direction, i.e. at the left edge and the lower edge of the display interface, because there is no data signal input to the pixel units in the area where the black edges are located, the area where the black edges are located in fig. 3-4 is the above-mentioned vacant area, and there is no data signal input to the pixel units in the vacant area, black edges are generated. According to the embodiment of the invention, the image extension is carried out on the vacant area according to the display content of the edge of the current display image, so that the extended display image can fill the whole display interface, the black edge is eliminated, and the display effect is optimized.
Fig. 5 is a schematic view of a pixel arrangement structure of a display panel according to an embodiment of the present invention, as shown in fig. 5, the display panel includes a plurality of pixel units p arranged in an array, each pixel unit includes at least one sub-pixel (not shown), and a color and a brightness finally displayed by the pixel unit are determined by a light emitting brightness of each sub-pixel. The sub-pixels in one column may be connected to the same data signal line d, and the sub-pixels in one row may be connected to the same scanning signal line g. The data signal lines extend to the non-display region below the display panel and are finally connected to the display chip IC, the scan signal lines extend to the gate driving circuit on the side of the display panel, and the final signal lines are also connected to the display chip IC. The display chip inputs corresponding signals to the scanning signal lines and the data signal lines according to a time sequence, so that the scanning signal lines can control the opening of the switch units connected with the sub-pixels in each row according to the time sequence, and therefore the data signal lines can input data signals to the sub-pixels in the row, and the sub-pixels display corresponding brightness under the driving of the data signals.
In order to distinguish between the pixel units in the display image and the pixel units in the blank region, the pixel units corresponding to the display image are referred to as first pixel units, and the pixel units in the blank region are referred to as second pixel units. Generally, after the image is shifted, no data signal is input to the second pixel unit in the blank region, so that the blank region can generate a black edge, which affects the viewing effect. In order to eliminate the black edge, a data signal may be input to the second pixel unit according to the display content of the display image adjacent to the black edge, so that the display image can extend into the void region, and the extended display image fills the display interface.
In an implementable manner, after each time the display image is moved, the data signal of the second pixel unit can be set to be the same as the data signal of the first pixel unit adjacent to the second pixel unit according to the display content of the edge of the current display image; the first pixel unit adjacent to the second pixel unit is the first pixel unit adjacent to the second pixel unit in the row direction, the column direction or the diagonal direction.
For convenience of explaining a rule of loading a data signal to the second pixel unit, the drawings in the embodiments of the present invention simplify the structure of the pixel unit and a display image. As shown in fig. 6-8, the display image moves to the upper right, and the pixel unit effect diagram of the image extension is performed on the image after each movement. The solid-line rectangular frame in fig. 6-8 represents the position of the display image before the movement, and the dashed-line frame in fig. 7-8 represents the position of the display image after the movement, so that the pixel unit in the solid-line rectangular frame in fig. 6 is the first pixel unit, and the pixel unit in the dashed-line frame in fig. 7-8 is the first pixel unit, it can be seen that the display content of the display image is unchanged before and after the movement.
When the display image moves from the position of the solid line frame in fig. 6 to the upper right and then to the position of the dotted line frame in fig. 7, the blank region without data signal, i.e., the region of the above-mentioned black border, is generated on the left and lower sides of the display image. The embodiment of the invention fills the data signals in the second pixel units in the vacancy areas, thereby achieving the effect of extending the display image.
Specifically, for each second pixel unit adjacent to the left edge of the display image, for the second pixel unit in the second row and the first column, the adjacent first pixel unit is the first pixel unit in the second row and the second column, and the data signal of the first pixel unit is W, so that the data signal of the second pixel unit can also be set to W; for the second pixel unit in the third row and the first column, the adjacent first pixel unit is the first pixel unit in the third row and the second column, and the data signal of the first pixel unit is W, so the data signal of the second pixel unit can also be set to W; and so on, the data signal of each second pixel unit adjacent to the left edge of the display image can be set to be W. For each second pixel unit adjacent to the lower edge of the display image, for the second pixel unit in the eighth row and the first column, the adjacent second pixel unit is the first pixel unit in the seventh row and the second column, and the data signal of the first pixel unit is W, so that the data signal of the second pixel unit can also be set to W; for the second pixel unit in the eighth row and the second column, the adjacent second pixel unit is the first pixel unit in the seventh row and the second column, and the data signal of the first pixel unit is W, so the data signal of the second pixel unit can also be set to W; for the second pixel unit in the eighth row and the third column, the adjacent second pixel unit is the first pixel unit in the seventh row and the third column, and the data signal of the first pixel unit is R, so the data signal of the second pixel unit can also be set to R, and so on, the data signal of each second pixel unit adjacent to the lower edge of the display image can be set to the same data signal of each first pixel unit above the second pixel unit. Therefore, the vacant regions generated at the left and right edges of the display image after the movement can be subjected to image extension to avoid the generation of black edges in the vacant regions.
When the display image moves from the position of the dashed line frame in fig. 7 to the upper right and then moves to the position of the dashed line frame in fig. 8, a vacant region without data signal, i.e., the region with the black border, is generated on the left side and the lower side of the display image. The embodiment of the invention fills the data signals in the second pixel units in the vacancy areas, thereby achieving the effect of extending the display image.
Specifically, for each second pixel unit adjacent to the left edge of the display image, for the second pixel unit in the first row and the first column, the adjacent first pixel unit is the first pixel unit in the first row and the second column, and the data signal of the first pixel unit is W, so that the data signal of the second pixel unit can also be set to W; for the second pixel unit in the second row and the first column, the adjacent first pixel unit is the first pixel unit in the second row and the second column, and the data signal of the first pixel unit is W, so the data signal of the second pixel unit can also be set to W; and so on, the data signal of each second pixel unit adjacent to the left edge of the display image can be set to be W. For each second pixel unit adjacent to the lower edge of the display image, for the second pixel unit in the eighth row and the first column, the adjacent second pixel unit is the first pixel unit in the seventh row and the second column, and the data signal of the first pixel unit is W, so that the data signal of the second pixel unit can also be set to W; for the second pixel unit in the eighth row and the second column, the adjacent second pixel unit is the first pixel unit in the seventh row and the second column, and the data signal of the first pixel unit is W, so the data signal of the second pixel unit can also be set to W; for the second pixel unit in the eighth row and the third column, the adjacent second pixel unit is the first pixel unit in the seventh row and the third column, and the data signal of the first pixel unit is W, so the data signal of the second pixel unit can also be set to W, and so on, the data signal of each second pixel unit adjacent to the lower edge of the display image can be set to the same data signal of each first pixel unit above the second pixel unit. Therefore, the vacant regions generated at the left and right edges of the display image after the movement can be subjected to image extension to avoid the generation of black edges in the vacant regions.
The data signals of the first pixel unit and the second pixel unit are the same, which means that the color and the brightness of the first pixel unit and the second pixel unit are the same. In the above method for extending an image provided by the embodiment of the present invention, each second pixel unit only needs to set the data signal to be the same as the data signal of the adjacent first pixel unit, so that the operation is simple and easy.
However, if the display image is moved by a large amount or continuously moves in the same direction, if the generated data signals of the second pixel units are all set to be the same as the data signals of the adjacent second pixel units, a phenomenon of smear is easily generated, and the display effect is affected. Therefore, in another practical manner, after the display image is moved each time, the continuous number of the first pixel units, in which the data signals of the second pixel units adjacent to each other in the row direction, the column direction and the diagonal direction of the pixel unit are the same, may be respectively determined according to the display content of the edge of the current display image, and the first pixel unit with the largest continuous number may be used as the reference pixel unit; the data signal of the second pixel cell is set to be the same as the data signal of the reference pixel cell.
For convenience of explaining a rule of loading a data signal to the second pixel unit, the drawings in the embodiments of the present invention simplify the structure of the pixel unit and a display image. 9-11, pixel unit effect diagrams are shown for moving the image to the upper right and performing image stretching on the image after each movement. The solid-line rectangular frame in fig. 9-11 indicates the position of the display image before the movement, and the dashed-line frame in fig. 10-11 indicates the position of the display image after the movement, so that the pixel unit in the solid-line rectangular frame in fig. 9 is the first pixel unit, and the pixel unit in the dashed-line frame in fig. 10-11 is the first pixel unit, it can be seen that the display content of the display image is unchanged before and after the movement.
When the display image moves from the position of the solid line frame to the upper right in fig. 9 to the position of the dotted line frame in fig. 10, the blank region without data signal, i.e., the region of the above-mentioned black border, is generated on the left and lower sides of the display image. The embodiment of the invention fills the data signals in the second pixel units in the vacancy areas, thereby achieving the effect of extending the display image.
Specifically, for each second pixel unit adjacent to the left edge of the display image, for the second pixel unit in the first column and the second row, the first pixel unit adjacent to the second pixel unit in the row direction is the first pixel unit in the second column and the second row, the data signal of the first pixel unit is W, the first pixel unit adjacent to the first pixel unit in the diagonal direction is the first pixel unit in the second column and the third row, the data signal of the first pixel unit is R, and the data signals of the first pixel units in the two directions are not continuously the same, so that the data signals of the second pixel units can be optionally set, as shown in fig. 10, to set the data signal of the second pixel unit to W; for the second pixel unit in the third row and the first column, the first pixel unit adjacent to the second pixel unit in the row direction is the first pixel unit in the third row and the second column, the data signal of the first pixel unit is R, the data signals of the first pixel units adjacent to the first pixel unit in the diagonal direction are W and R, as can be seen from fig. 10, the continuous number of the first pixel units with the data signal of R in the row direction is 2, the continuous data of the first pixel units with the data signal of R in the diagonal direction is 2, and the continuous number of the first pixel units with the data signal of W is 1, so the data signal of the second pixel unit can be set to be R; for the second pixel unit in the sixth row and the first column, the first pixel unit adjacent to the sixth row and the first column in the row direction is the first pixel unit in the sixth row and the second column, the data signal of the first pixel unit is B, the data signals of the first pixel units adjacent to the first pixel unit in the diagonal direction are W and B, as can be seen from fig. 10, the continuous number of the first pixel units with the data signal of B in the row direction is 2, the continuous data of the first pixel units with the data signal of W in the diagonal direction is 4, and the continuous number of the first pixel units with the data signal of B is 1, so the data signal of the second pixel unit can be set to be W; in this way, the data signals of the second pixel units adjacent to the left edge of the display image need to be compared with the connection number of the first pixel units, which are the same as the data signals of the second pixel units adjacent to the second pixel units in the row direction and the diagonal direction, and the data signals of the second pixel units are set to be the same as the data signals of the first pixel units with the largest continuous number, so as to avoid generating black edges after the display image moves.
For each second pixel unit adjacent to the lower edge of the display image, for the second pixel unit in the eighth row and the first column, the first pixel unit adjacent to the second pixel unit in the eighth row and the first pixel unit in the seventh row and the second column in the diagonal direction has a data signal of B, and the number of connections of the first pixel unit having the data signal of B in the diagonal direction is 2, so that the data signal of the second pixel unit can be set to B; for the second pixel unit in the eighth row and the second column, the first pixel unit adjacent to the eighth row and the second column in the column direction is the first pixel unit in the seventh row and the second column, the data signal of the first pixel unit is B, and the data signal of the first pixel unit adjacent to the seventh row and the second column in the diagonal direction is B, as can be seen from fig. 10, the number of the first pixel units with the data signal of B in the column direction is 2, and the number of the first pixel units with the data signal of B in the diagonal direction is 1, so the data signal of the second pixel unit can be set to be B; for the second pixel unit in the eighth row and the fourth column, the first pixel unit adjacent to the eighth row and the fourth column in the column direction is the first pixel unit in the seventh row and the fourth column, the data signal of the first pixel unit is G, and the data signals of the first pixel units adjacent to the first pixel unit in the diagonal direction are B, as can be seen from fig. 10, the number of the first pixel units with the data signal of G in the column direction is 2, and the number of the first pixel units with the data signal of B in the diagonal direction is 1, so the data signal of the second pixel unit can be set to G; in other words, the data signals of the second pixel units adjacent to the lower edge of the display image need to be compared with the connection number of the first pixel units, which are the same as the data signals of the second pixel units adjacent to the second pixel units in the column direction and the diagonal direction, and the data signals of the second pixel units are set to be the same as the data signals of the first pixel units with the largest continuous number.
When the display image moves from the position of the dashed line frame in fig. 10 to the upper right and then to the position of the dashed line frame in fig. 11, a vacant region without data signal, i.e., the region with the black border, is generated on the left and lower sides of the display image. The embodiment of the invention fills the data signals in the second pixel units in the vacancy areas, thereby achieving the effect of extending the display image.
Specifically, for each second pixel cell adjacent to the left edge of the display image, for the second pixel cell of the second row and the first column, the first pixel unit adjacent to the second pixel unit in the row direction is the first pixel unit in the second row and the second column, the data signal of the first pixel unit is R, the first pixel units adjacent in the diagonal direction are the first pixel units in the third row and the second column and the first pixel units in the first row and the second column, the data signals of the two first pixel units are R and W respectively, the number of the first pixel units with the data signal of R in the row direction is 4, the number of the first pixel units with the data signal of R in the diagonal direction is 1, the number of the first pixel units with the data signal of W in the diagonal direction is 1, and therefore the data signal of the second pixel unit can be set to be R; for the second pixel unit in the third row and the first column, the number signals of the first pixel units adjacent to each other in the row direction and the diagonal direction are all R, so the data signal of the second pixel unit can be set to R; for the second pixel unit in the sixth row and the first column, the first pixel unit adjacent to the second pixel unit in the row direction is the first pixel unit in the sixth row and the second column, the data signal of the first pixel unit is B, and the data signal of the first pixel unit adjacent to the first pixel unit in the diagonal direction is W, as can be seen from fig. 10, the number of consecutive first pixel units with data signals of B in the row direction is 3, and the number of consecutive data of the first pixel unit with data signals of W in the diagonal direction is 5, so the data signal of the second pixel unit can be set as W; in this way, the data signals of the second pixel units adjacent to the left edge of the display image need to be compared with the connection number of the first pixel units, which are the same as the data signals of the second pixel units adjacent to the second pixel units in the row direction and the diagonal direction, and the data signals of the second pixel units are set to be the same as the data signals of the first pixel units with the largest continuous number, so as to avoid generating black edges after the display image moves.
For each second pixel unit adjacent to the lower edge of the display image, for the second pixel unit in the eighth row and the first column, the first pixel unit adjacent to the second pixel unit in the eighth row and the first pixel unit in the seventh row and the second column in the diagonal direction has a data signal of B, and the number of connections of the first pixel unit having the data signal of B in the diagonal direction is 3, so that the data signal of the second pixel unit can be set to B; for the second pixel unit in the eighth row and the second column, the first pixel unit adjacent to the second pixel unit in the column direction is the first pixel unit in the seventh row and the second column, the data signal of the first pixel unit is B, and the data signal of the first pixel unit adjacent to the first pixel unit in the diagonal direction is B, as can be seen from fig. 10, the number of the first pixel units with the data signal of B in the column direction is 2, and the number of the first pixel units with the data signal of B in the diagonal direction is 2, so the data signal of the second pixel unit can be set to be B; for the second pixel unit in the eighth row and the fourth column, the first pixel unit adjacent to the eighth row and the fourth column in the column direction is the first pixel unit in the seventh row and the fourth column, the data signal of the first pixel unit is B, the data signals of the first pixel units adjacent to the seventh row and the fourth column in the diagonal direction are B and G, as can be seen from fig. 10, the continuous number of the first pixel units with the data signal of B in the column direction is 3, the continuous data of the first pixel units with the data signal of B in the diagonal direction is 2, and the continuous number of the first pixel units with the data signal of G is 1, so the data signal of the second pixel unit can be set to be B; in this way, the data signals of the second pixel units adjacent to the lower edge of the display image need to be compared with the connection number of the first pixel units, which are the same as the data signals of the second pixel units adjacent to the second pixel units in the column direction and the diagonal direction, and the data signals of the second pixel units are set to be the same as the data signals of the first pixel units with the largest continuous number, so as to avoid generating black edges after the display image moves.
The data signals of the first pixel unit and the second pixel unit are the same, which means that the color and the brightness of the first pixel unit and the second pixel unit are the same. According to the method for extending the image, provided by the embodiment of the invention, the data signal of the second pixel unit is set according to the first pixel unit which displays the image and has the same continuous data signals in the row direction, the column direction and the diagonal line direction, so that the extended image obtained by adopting the direction is more real, and the phenomenon of generating smear can be avoided.
In specific implementation, the movement of the display image can be performed once every 1-3 minutes, the movement of the display image cannot be too fast, otherwise, a viewer can easily perceive the movement of the display image, and the viewing effect is affected. The embodiment of the invention moves the display image once every 1-3 minutes, thereby not only avoiding generating image ghost, but also not enabling a viewer to perceive the movement of the image, and achieving better display effect.
When the display image is moved, the display image may be moved in the direction of the pixel unit row, the display image may be moved in the direction of the pixel unit column, or the display image may be moved in the diagonal direction of the pixel unit. The display image needs to be moved integrally when moved, and the image extension is carried out in a vacant area generated after the movement, so that the extended display image is full of the whole display interface, the image afterimage can be relieved, and the watching effect cannot be influenced.
In one possible implementation, the display image may be controlled to move periodically according to a predetermined route. For example, the display image may be moved to the right, then moved upward, and then moved to the left and downward, and finally returned to the position before the movement, thereby forming a movement cycle, so that most of the display content of the display image is not lost.
In performing the image shift, the step size of each shift of the display image may be one pixel unit. The distance that the display image only moves by one pixel unit at a time cannot be perceived by a viewer, and the vacant area that needs to be extended is relatively small, if the distance that the display image moves at a time is too large, the perception of the viewer is easily caused, and the display effect of the image is also influenced if the vacant area that needs to be extended is too large.
According to the image display method provided by the embodiment of the invention, the current display image is moved towards the set direction at intervals of the preset time interval, the same image phenomenon can be changed at the same position in the moving process, the same image signal is kept for a long time by the pixel unit of the display panel, the generation of the afterimage phenomenon of the display panel can be delayed, and the image afterimage generated in the switching process of the display image is relieved. After image movement is carried out each time, image extension is carried out on the vacant areas according to the display content of the current display image edge, so that the extended display image can fill the whole display interface, black edges are eliminated, and the display effect is optimized.
Based on the same inventive concept, the embodiment of the invention also provides a display device, which can be an OLED display, an OLED television and the like. Fig. 12 is a schematic structural diagram of a display device according to an embodiment of the present invention, and as shown in fig. 12, the display device includes: a display panel 100 and a main board 200 connected to the display panel 100. The display device may perform the image display method described above.
The main board 200 is configured to move a current display image in the display interface to a set direction every preset time interval when the display panel displays an image; according to the display content of the edge of the current display image, performing image extension on a vacant area generated after the image of the display interface is moved so as to enable the display interface to be filled with the extended display image; the blank area is an edge area without data signals generated on the side opposite to the set direction in the display interface after the image is moved.
The display device provided by the embodiment of the invention can move the current display image to the set direction at intervals of a preset time interval, and can change the phenomenon that the same image is displayed at the same position for a long time in the moving process, so that the pixel units of the display panel keep the same image signal for a long time, and the generation of the afterimage phenomenon of the display panel can be delayed, thereby relieving the image afterimage generated in the switching process of the display image. After image movement is carried out each time, image extension is carried out on the vacant areas according to the display content of the current display image edge, so that the extended display image can fill the whole display interface, black edges are eliminated, and the display effect is optimized.
As shown in fig. 12, the display panel 100 includes pixel units p arranged in an array, and the pixel units in the display image are referred to as first pixel units and the pixel units in the blank region are referred to as second pixel units according to the embodiment of the present invention.
In an implementable manner, the main board 200 is configured to set the data signal of the second pixel unit to be the same as the data signal of the first pixel unit adjacent to the second pixel unit according to the display content of the edge of the current display image after image shifting is performed each time; the first pixel unit adjacent to the second pixel unit is the first pixel unit adjacent to the second pixel unit in the row direction, the column direction or the diagonal direction. The main board only needs to set the data signal of each second pixel unit to be the same as the data signal of the adjacent first pixel unit through the image extension operation, so the operation is simple and easy. The extended display image fills the whole display interface, and no black edge is generated.
In another implementable manner, the main board 200 is configured to, after image shifting is performed each time, determine, according to the display content of the edge of the current display image, the continuous number of first pixel units, where the data signals of the second pixel units adjacent to each other in the row direction, the column direction, and the diagonal direction where the pixel unit is located are the same, and use the first pixel unit with the largest continuous number as a reference pixel unit; the data signal of the second pixel cell is set to be the same as the data signal of the reference pixel cell. The mainboard is operated through the image extension, the obtained extended image is more real, and the phenomenon of generating smear can be avoided.
The principle of the display device provided by the embodiment of the invention for solving the problems is similar to the image display method of the display panel, so the implementation of the display device can refer to the implementation of the method, and repeated details are not repeated.
According to the image display method and the display device of the display panel, provided by the embodiment of the invention, when the display panel displays images, the current display image in the display interface is moved to the set direction every other preset time interval; according to the display content of the edge of the current display image, performing image extension on a vacant area generated after the image of the display interface is moved so as to enable the display interface to be filled with the extended display image; the vacant area is an edge area without data signals generated on the side opposite to the set direction in the display interface after the image is moved. The current display image is moved towards the set direction every preset time interval, the same image phenomenon can be changed at the same position in the moving process, the phenomenon that the same image is displayed for a long time is avoided, the pixel units of the display panel keep the same image signal for a long time, the generation of the afterimage phenomenon of the display panel can be delayed, and the image afterimage generated in the switching process of the display image is relieved. After image movement is carried out each time, image extension is carried out on the vacant areas according to the display content of the current display image edge, so that the extended display image can fill the whole display interface, black edges are eliminated, and the display effect is optimized.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. An image display method of a display panel, comprising:
when the display panel displays images, moving the current display image in the display interface to a set direction at intervals of a preset time interval;
according to the display content of the edge of the current display image, performing image extension on a vacant area generated after the image of the display interface is moved so as to enable the extended display image to fill the display interface;
the vacant area is an edge area without data signals generated on the side opposite to the set direction in the display interface after the image is moved;
the display panel comprises pixel units which are arranged in an array; the pixel unit corresponding to the display image is a first pixel unit, and the pixel unit in the vacancy area is a second pixel unit;
the image extension of the vacant area generated after the image movement of the display interface according to the display content of the edge of the current display image comprises the following steps:
after image shifting is carried out each time, according to the display content of the edge of the current display image, respectively determining the continuous quantity of first pixel units, with the same data signals, of the second pixel units in the row direction, the column direction and the diagonal direction of the pixel units, and taking the first pixel units with the largest continuous quantity as reference pixel units; setting the data signal of the second pixel cell to be the same as the data signal of the reference pixel cell.
2. The image display method according to claim 1, wherein the predetermined period of time is 1 to 3 minutes.
3. The image display method according to claim 1,
the setting direction is parallel to the pixel unit row direction; alternatively, the first and second electrodes may be,
the setting direction is parallel to the pixel unit column direction; alternatively, the first and second electrodes may be,
the set direction is parallel to a diagonal direction of the pixel unit.
4. The image display method according to claim 1, wherein the display image is periodically moved in accordance with a set route.
5. The image display method according to claim 1, wherein the step size of each movement of the display image is one pixel unit.
6. A display device, comprising: the display device comprises a display panel and a main board connected with the display panel;
the main board is used for moving the current display image in the display interface to a set direction every other preset time interval when the display panel displays the image; according to the display content of the edge of the current display image, performing image extension on a vacant area generated after the image of the display interface is moved so as to enable the extended display image to fill the display interface;
the vacant area is an edge area without data signals generated on the side opposite to the set direction in the display interface after the image is moved;
the display panel comprises pixel units which are arranged in an array; the pixel unit corresponding to the display image is a first pixel unit, and the pixel unit in the vacancy area is a second pixel unit;
the main board is used for respectively determining the continuous number of first pixel units, adjacent to the second pixel units in the row direction, the column direction and the diagonal direction, with the same data signals according to the display content of the edge of the current display image after the image is moved every time, and taking the first pixel unit with the largest continuous number as a reference pixel unit; setting the data signal of the second pixel cell to be the same as the data signal of the reference pixel cell.
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